* {
    margin: 0;
    padding: 0;
    font-family: "PingFang SC", "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  }
  
html,
body,
#app,
.wrapper {
  width: 100%;
  height: 100%;
}

a {
  cursor: pointer;
  text-decoration: none
}
li{
  list-style: none;
}